Panama-Pacific International Exposition San Francisco, Calif. (1915). Manufactures and varied industries: Official catalogue of exhibitors : Panama-Pacific International Exposition, San Francisco, 1915 ([Preliminary ed.].). Wahlgreen Co..
Lua i Stíl Chicago (17ú heag.)Panama-Pacific International Exposition San Francisco, Calif. Manufactures and Varied Industries: Official Catalogue of Exhibitors : Panama-Pacific International Exposition, San Francisco, 1915. [Preliminary ed.]. San Francisco: Wahlgreen Co., 1915.
Lua MLA (8ú heag.)Panama-Pacific International Exposition San Francisco, Calif. Manufactures and Varied Industries: Official Catalogue of Exhibitors : Panama-Pacific International Exposition, San Francisco, 1915. [Preliminary ed.]. Wahlgreen Co., 1915.